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Westford: September 2025
LOCAL CLIMATOLOGICAL DATA
Monthly Summary
September 2025
Station: Westford
Latitude: 44° 37' 38" N Longitude: 73° 02' 30" W Elevation (ground): 850 feet Time Zone: Eastern
+--+-------------------------------+----+---------+---------+--+-----------+--------------------+-----------------------------+------+
| | Temperature | |Deg. Days|Precip Ty| | Precip | Pressure | Wind |Solar |
| +------+------+------+------+---+ Hu-+----+----+1 fog | S+-----+-----+ Adj. to Sea Level +----+----+---+-------+-------+------+
| | M | M | A | | |mid-| H | C |2 hvy fog| n| | Ice +------+------+------+ Avg| Res|Res| Peak |2Minute| Mean |
| | a | i | v | | D | ity| e | o |3 thunder| o|Water| plts| | | | | | +---+---+---+---+ W |
| | x | n | e | | e | | a | o |4 ice plt| w| | | | | | S | S | | S | | S | | a |
| D| i | i | r | M | w | M | t | l |5 hail | | E | S | | | M | p | p | | p | | p | | t |
| a| m | m | a | e | | e | i | i |6 glaze | C| q | n | M | M | e | e | e | D | e | D | e | D | t |
| t| u | u | g | a | P | a | n | n |7 duststm| v| u | o | a | i | a | e | e | i | e | i | e | i | s |
| e| m | m | e | n | t | n | g | g |8 smk, hz| r| v | w | x | n | n | d | d | r | d | r | d | r | m² |
| | | | | | | | | |9 blw snw| | | | | | | | | | | | | | |
| 1| 2 | 3 | 4A | 4B | 5 | 6 | 7 | 8 | 9 |10| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18| 19| 20| 21| 22| 23 |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
|01| 78.0 | 48.3 | 63.2 | 61.0 | 55| 82| 2| 0|.........| 0| 0.00| 0.0| 30.30| 30.19|30.247| 0.2| 0.1|284| 7| W| 4|250| 170 |
|02| 79.8 | 50.8 | 65.3 | 63.5 | 56| 80| 0| 1|.........| 0| 0.00| 0.0| 30.20| 29.96|30.088| 0.3| 0.3|247| 10|WSW| 5|257| 180 |
|03| 81.6 | 50.2 | 65.9 | 63.8 | 55| 75| 0| 1|.........| 0| 0.00| 0.0| 29.96| 29.77|29.858| 0.6| 0.6|195| 14|SSE| 5|228| 223 |
|04| 83.1*| 53.9 | 68.5*| 67.4 | 57| 72| 0| 4|.........| 0| 0.98| 0.0| 29.80| 29.62|29.728| 1.6| 1.5|180| 22|SSE| 8|176| 218 |
|05| 75.6 | 52.3 | 63.9 | 64.9 | 59| 81| 1| 0|.........| 0| 0.62| 0.0| 29.84| 29.72|29.776| 1.7| 1.6|196| 23|SSE| 9|170| 206 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|06| 69.7 | 52.4 | 61.0 | 57.2 | 55| 93| 4| 0|.........| 0| 0.95| 0.0| 29.97| 29.75|29.904| 0.5| 0.3|223| 32| W| 12|263| 26 |
|07| 68.2 | 48.8 | 58.5 | 57.1 | 53| 88| 6| 0|.........| 0| 0.01| 0.0| 30.09| 29.93|29.975| 1.0| 0.9|229| 20| SW| 10|251| 100 |
|08| 70.1 | 44.1 | 57.1 | 54.5 | 48| 80| 8| 0|.........| 0| 0.00| 0.0| 30.30| 30.09|30.212| 0.8| 0.8|240| 12| W| 6|256| 202 |
|09| 73.8 | 40.3*| 57.1 | 55.3 | 48| 80| 8| 0|.........| 0| 0.00| 0.0| 30.35| 30.24|30.296| 0.5| 0.5|196| 11|WSW| 6|200| 201 |
|10| 75.0 | 47.4 | 61.2 | 59.1 | 51| 76| 4| 0|.........| 0| 0.00| 0.0| 30.27| 30.09|30.188| 0.4| 0.2|180| 12|SSE| 5|176| 207 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|11| 74.5 | 45.4 | 60.0 | 58.0 | 52| 83| 5| 0|.........| 0| 0.00| 0.0| 30.16| 30.07|30.105| 0.4| 0.3|310| 12| N| 5|244| 195 |
|12| 70.7 | 41.5 | 56.1*| 54.9 | 48| 79| 8| 0|.........| 0| 0.01| 0.0| 30.24| 30.14|30.187| 0.2| 0.2|326| 11| NW| 5|265| 217 |
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+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- |
+------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| 900.1| 575.4|------|------|---|----| 46| 6| Days | 2.57| 0.0| 30.35| 29.62|30.047| 0.7| 0.5|211| 32| W| 12|263| ---- |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg |
+------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+
| 75.0| 48.0| 61.5 | 59.7 | 53|80.7|----|----|≥.01 Inch 5|32.54| 0.0| 9 | 4 |------|----|----|---| 6 | 6 | 179|
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+
| | Season |Snow, Ice | | |
| Number of Days | to Date |≥1.0 Inch 0| Greatest in 24 Hours and Dates | Greatest Depth on Ground |
+------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice |
| Max Temperature | Min Temperature | 117| 446|Thunder 0|Precipitation | Snow, Ice Plts | and Date |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+
| ≥90°F | ≤32°F | ≤32°F | ≤0°F |----|----|Heavy Fog 0| 1.60| 4- 5| 0.0 | - | 0 | - |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+
| 0 | 0 | 0 | 0 |----|----| Clear 7 Partly Cloudy 3 Cloudy 2 |
+--------+---------+--------+--------+----+----+------------------------------------------+
NOTES:
Units: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches.
Column 4A: value is (MAX+MIN) / 2.
Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean.
Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for 24 hours.
Columns 7, 8: Degree Days heating base is 65°F, cooling base is 65°F.
Data in columns 9, 10, 12 are entered manually by the station observer.
Columns 17-18: Resultant wind is calculated by the vector sum of continuous wind observations.
OBSERVATIONS AT 3-HOUR INTERVALS
September 2025: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+
| | | | | | | | | | | | | | | | | | | | | | |
| | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind |
| | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+
| | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | |
| | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | |
| | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | |
| | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | |
| | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | |
| H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G |
| o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u |
| u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s |
| r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 1 | SEP 2 | SEP 3 |
| | | |
|00| 0|30.24| 0.00| 51| 49| 92|29| 0| 0| 0|30.19| 0.00| 55| 52| 91|25| 0| 0| 0|29.96| 0.00| 57| 54| 90|26| 0| 0|
|03| 0|30.24| 0.00| 50| 48| 94|29| 0| 0| 0|30.17| 0.00| 54| 52| 93|25| 0| 0| 0|29.93| 0.00| 52| 49| 92|26| 0| 0|
|06| 0|30.26| 0.00| 49| 47| 94|29| 0| 0| 0|30.17| 0.00| 51| 49| 94|25| 0| 0| 0|29.91| 0.00| 51| 49| 94|24| 0| 2|
|09| 316|30.30| 0.00| 61| 60| 97|29| 0| 0| 165|30.16| 0.00| 61| 60| 96|24| 0| 2| 246|29.91| 0.00| 63| 56| 79|14| 3| 14|
|12| 601|30.28| 0.00| 75| 60| 60|02| 1| 5| 355|30.11| 0.00| 75| 64| 67|26| 0| 6| 724|29.87| 0.00| 76| 61| 60|11| 1| 4|
|15| 288|30.24| 0.00| 75| 63| 67|23| 2| 7| 128|30.03| 0.00| 78| 60| 53|07| 0| 2| 663|29.80| 0.00| 81| 58| 46|23| 4| 10|
|18| 76|30.22| 0.00| 69| 62| 77|25| 0| 0| 206|30.00| 0.00| 78| 61| 57|24| 0| 4| 200|29.77| 0.00| 79| 56| 46|22| 1| 5|
|21| 0|30.21| 0.00| 58| 54| 88|25| 0| 0| 0|29.98| 0.00| 57| 53| 87|14| 0| 0| 0|29.78| 0.00| 58| 54| 84|18| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 4 | SEP 5 | SEP 6 |
| | | |
|00| 0|29.79| 0.00| 55| 51| 87|18| 0| 1| 0|29.73| 0.15| 62| 60| 94|18| 2| 13| 0|29.75| 0.00| 69| 62| 78|21| 5| 16|
|03| 0|29.79| 0.00| 55| 51| 86|20| 0| 3| 0|29.76| 0.13| 59| 57| 94|24| 2| 5| 0|29.85| 0.00| 61| 59| 93|22| 0| 4|
|06| 0|29.78| 0.00| 56| 52| 85|16| 0| 3| 0|29.83| 0.00| 54| 52| 94|04| 0| 2| 0|29.89| 0.00| 55| 54| 94|28| 0| 0|
|09| 355|29.78| 0.00| 68| 58| 71|18| 3| 11| 339|29.84| 0.00| 57| 55| 93|04| 0| 0| 49|29.90| 0.00| 57| 56| 95|01| 0| 0|
|12| 731|29.74| 0.00| 79| 61| 53|19| 3| 12| 673|29.81| 0.00| 71| 61| 71|17| 3| 11| 37|29.94| 0.07| 57| 55| 94|07| 0| 0|
|15| 666|29.66| 0.00| 82| 59| 45|11| 3| 15| 585|29.74| 0.00| 75| 63| 65|18| 3| 14| 33|29.93| 0.04| 57| 55| 94|01| 0| 0|
|18| 113|29.63| 0.00| 78| 60| 54|11| 1| 9| 105|29.73| 0.00| 73| 61| 67|17| 4| 9| 65|29.91| 0.00| 57| 55| 94|14| 0| 0|
|21| 0|29.70| 0.20| 64| 61| 90|18| 0| 5| 0|29.76| 0.00| 68| 61| 78|16| 2| 9| 0|29.95| 0.00| 54| 53| 94|14| 0| 1|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 7 | SEP 8 | SEP 9 |
| | | |
|00| 0|29.97| 0.00| 53| 52| 95|16| 0| 1| 0|30.09| 0.00| 49| 45| 88|22| 0| 3| 0|30.29| 0.00| 44| 42| 92|29| 0| 0|
|03| 0|29.94| 0.00| 55| 54| 96|18| 0| 3| 0|30.12| 0.00| 48| 46| 92|21| 1| 4| 0|30.32| 0.00| 42| 40| 93|29| 0| 0|
|06| 0|29.95| 0.00| 55| 53| 95|19| 0| 4| 0|30.17| 0.00| 46| 44| 93|23| 0| 3| 0|30.32| 0.00| 41| 39| 94|29| 0| 0|
|09| 127|29.96| 0.00| 57| 56| 96|18| 1| 5| 348|30.22| 0.00| 55| 51| 85|22| 3| 9| 290|30.34| 0.00| 52| 51| 96|29| 0| 0|
|12| 139|29.95| 0.00| 67| 58| 73|20| 1| 7| 214|30.25| 0.00| 63| 51| 66|26| 5| 11| 657|30.33| 0.00| 69| 55| 63|23| 3| 9|
|15| 243|29.95| 0.00| 65| 55| 71|25| 3| 10| 171|30.24| 0.00| 67| 49| 52|20| 0| 7| 575|30.28| 0.00| 73| 54| 52|23| 1| 6|
|18| 130|29.97| 0.00| 58| 53| 84|17| 0| 8| 56|30.23| 0.00| 65| 51| 60|29| 0| 3| 62|30.25| 0.00| 69| 56| 64|21| 0| 2|
|21| 0|30.04| 0.00| 53| 48| 82|24| 3| 9| 0|30.27| 0.00| 48| 44| 89|29| 0| 0| 0|30.25| 0.00| 52| 49| 89|21| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 10 | SEP 11 | SEP 12 |
| | | |
|00| 0|30.25| 0.00| 50| 47| 90|19| 0| 0| 0|30.09| 0.00| 49| 47| 91|05| 0| 0| 0|30.16| 0.00| 49| 46| 91|01| 0| 0|
|03| 0|30.26| 0.00| 48| 46| 93|19| 0| 0| 0|30.07| 0.00| 48| 46| 93|05| 0| 0| 0|30.17| 0.00| 45| 43| 93|01| 0| 0|
|06| 0|30.25| 0.00| 49| 47| 92|18| 1| 5| 0|30.08| 0.00| 46| 45| 94|05| 0| 0| 0|30.20| 0.00| 42| 40| 93|01| 0| 0|
|09| 339|30.25| 0.00| 60| 53| 77|18| 0| 8| 360|30.11| 0.00| 57| 56| 97|05| 0| 0| 343|30.23| 0.00| 55| 54| 97|01| 0| 0|
|12| 694|30.21| 0.00| 71| 55| 57|18| 0| 6| 664|30.11| 0.00| 70| 61| 72|24| 1| 9| 700|30.23| 0.00| 67| 50| 55|25| 0| 10|
|15| 628|30.14| 0.00| 73| 57| 58|32| 0| 4| 114|30.10| 0.00| 71| 58| 64|01| 2| 10| 635|30.19| 0.00| 70| 55| 59|28| 2| 5|
|18| 42|30.10| 0.00| 71| 56| 59|05| 0| 0| 44|30.10| 0.00| 68| 58| 70|01| 0| 0| 49|30.15| 0.00| 66| 54| 66|01| 0| 0|
|21| 0|30.11| 0.00| 54| 50| 88|05| 0| 0| 0|30.13| 0.00| 54| 51| 89|01| 0| 0| 0|30.16| 0.00| 49| 46| 88|01| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 13 | SEP 14 | SEP 15 |
| | | |
|00| 0|30.15| 0.00| 45| 43| 91|01| 0| 0| | | | | | | | | | | | | | | | | | |
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|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 16 | SEP 17 | SEP 18 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Precipitation | 0.26 | 0.28 | 0.30 | 0.35 | 0.47 | 0.47 | 0.49 | 0.59 | 0.68 | 0.77 | 0.85 | 0.95 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Date | 06 | 06 | 06 | 06 | 06 | 06 | 04 | 04 | 04 | 05 | 05 | 05 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Time | 0054 | 0055 | 0104 | 0109 | 0117 | 0117 | 2312 | 2337 | 2351 | 0012 | 0041 | 0100 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
The precipitation amounts for the indicated time intervals may occur at any time during the month. The time indicated
is the ending time of the interval. Date and time are not entered for trace amounts.
OBSERVATIONS AT 3-HOUR INTERVALS
September 2025: Westford
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+
| | | | | | | | | | | | | | | | | | | | | | |
| | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind |
| | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+
| | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | |
| | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | |
| | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | |
| | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | |
| | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | |
| H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G |
| o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u |
| u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s |
| r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 19 | SEP 20 | SEP 21 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 22 | SEP 23 | SEP 24 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 25 | SEP 26 | SEP 27 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 28 | SEP 29 | SEP 30 |
| | | |
|00| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|03| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|06| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|09| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|12| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|15| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|18| | | | | | | | | | | | | | | | | | | | | | | | | | | |
|21| | | | | | | | | | | | | | | | | | | | | | | | | | | |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
+------------------------------------------+---------------------------------------+---------------------------------------+
WEATHER NOTES SUMMARY BY HOURS
+--+-----------------------------+---------+
Wind Direction: Directions are those from which the wind is blowing, | | Averages | |
indicated in tens of degrees from true North: i.e., 09 for East, 18 for | +----+------+---+---+---+-----+Resultant|
South, 27 for West, and 00 or 36 for North. | | | | | | | | |
Wind Speed: The observed one-minute average speed in miles-per-hour. | | | | T | | | | Wind |
Wind Gust: The maximum instantaneous wind speed for the ten minute-period | | | | e | | % | W +----+----+
preceding the observation. | | | | m | D | | i | D | |
Rainfall Rate: The instantaneous rainfall rate at time of observation, | | S | P | p | e | H | n | i | |
calculated by timing consecutive pulses from the electronic rain | | u | r | e | w | u | d | r | |
gauge and interpolating this rate for one hour. | | n | e | r | | m | | e | |
| | s | s | a | P | i | S | c | S |
| H| h | s | t | o | d | p | t | p |
| o| i | u | u | i | i | e | i | e |
| u| n | r | r | n | t | e | o | e |
| r| e | e | e | t | y | d | n | d |
+--+----+------+---+---+---+-----+----+----+
|00| 0|30.051| 53| 50| 90| 0.5| 21 | 0.5|
|03| 0|30.053| 51| 49| 93| 0.2| 24 | 0.2|
|06| 0|30.068| 50| 48| 93| 0.1| 18 | 0.1|
|09| 273|30.085| 59| 55| 90| 0.8| 19 | 0.7|
|12| 516|30.069| 70| 58| 66| 1.6| 22 | 1.1|
|15| 394|30.026| 72| 57| 61| 1.6| 23 | 0.8|
|18| 96|30.004| 69| 57| 67| 0.6| 17 | 0.4|
|21| 0|30.028| 56| 52| 87| 0.4| 21 | 0.3|
+--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
September 2025: Westford
---+-----------------------------------------------------------+-----------------------------------------------------------+---
| | |
D| A.M. Hour Ending at | P.M. Hour Ending at |D
a| | |a
t+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+t
e| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |e
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
01| | | | | | | | | | | | | | | | | | | | | | | | |01
02| | | | | | | | | | | | | | | | | | | | | | | | |02
03| | | | | | | | | | | | | | | | | | | | | | | | |03
04| | | | | | | | | | | | | | | | | | | |0.01|0.19|0.06|0.44|0.28|04
05|0.22|0.05|0.24|0.05|0.06| | | | | | | | | | | | | | | | | | | |05
| | | | | | | | | | | | | | | | | | | | | | | | |
06|0.28|0.19| | | | | | | |0.02|0.02|0.07|0.07|0.17|0.09|0.04| | | | | | | | |06
07| | | | | | | | | | | | | | | | |0.01| | | | | | | |07
08| | | | | | | | | | | | | | | | | | | | | | | | |08
09| | | | | | | | | | | | | | | | | | | | | | | | |09
10| | | | | | | | | | | | | | | | | | | | | | | | |10
| | | | | | | | | | | | | | | | | | | | | | | | |
11| | | | | | | | | | | | | | | | | | | | | | | | |11
12| | | | | | | | |0.01| | | | | | | | | | | | | | | |12
13| | | | | | | | | | | | | | | | | | | | | | | | |13
14| | | | | | | | | | | | | | | | | | | | | | | | |14
15| | | | | | | | | | | | | | | | | | | | | | | | |15
| | | | | | | | | | | | | | | | | | | | | | | | |
16| | | | | | | | | | | | | | | | | | | | | | | | |16
17| | | | | | | | | | | | | | | | | | | | | | | | |17
18| | | | | | | | | | | | | | | | | | | | | | | | |18
19| | | | | | | | | | | | | | | | | | | | | | | | |19
20| | | | | | | | | | | | | | | | | | | | | | | | |20
| | | | | | | | | | | | | | | | | | | | | | | | |
21| | | | | | | | | | | | | | | | | | | | | | | | |21
22| | | | | | | | | | | | | | | | | | | | | | | | |22
23| | | | | | | | | | | | | | | | | | | | | | | | |23
24| | | | | | | | | | | | | | | | | | | | | | | | |24
25| | | | | | | | | | | | | | | | | | | | | | | | |25
| | | | | | | | | | | | | | | | | | | | | | | | |
26| | | | | | | | | | | | | | | | | | | | | | | | |26
27| | | | | | | | | | | | | | | | | | | | | | | | |27
28| | | | | | | | | | | | | | | | | | | | | | | | |28
29| | | | | | | | | | | | | | | | | | | | | | | | |29
30| | | | | | | | | | | | | | | | | | | | | | | | |30
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
Sum|0.50|0.24|0.24|0.05|0.06|0.00|0.00|0.00|0.01|0.02|0.02|0.07|0.07|0.17|0.09|0.04|0.01|0.00|0.00|0.01|0.19|0.06|0.44|0.28|Sum
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
During a frozen precipitation event, hourly precipitation totals may not be recorded. In this case, daily amounts are
typically entered in the last column (hour ending at 12 A.M.)
|
 |
Current Radar Loop:
Sun Position
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